| Message ID | 20240129124649.189745-5-david@redhat.com |
|---|---|
| State | New |
| Headers | show |
| Series | mm/memory: optimize fork() with PTE-mapped THP | expand |
On Mon, Jan 29, 2024 at 01:46:38PM +0100, David Hildenbrand wrote: > We want to make use of pte_next_pfn() outside of set_ptes(). Let's > simply define PFN_PTE_SHIFT, required by pte_next_pfn(). > > Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> > Signed-off-by: David Hildenbrand <david@redhat.com> Reviewed-by: Mike Rapoport (IBM) <rppt@kernel.org> > --- > arch/powerpc/include/asm/pgtable.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h > index 9224f23065ff..7a1ba8889aea 100644 > --- a/arch/powerpc/include/asm/pgtable.h > +++ b/arch/powerpc/include/asm/pgtable.h > @@ -41,6 +41,8 @@ struct mm_struct; > > #ifndef __ASSEMBLY__ > > +#define PFN_PTE_SHIFT PTE_RPN_SHIFT > + > void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, > pte_t pte, unsigned int nr); > #define set_ptes set_ptes > -- > 2.43.0 > >
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index 9224f23065ff..7a1ba8889aea 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -41,6 +41,8 @@ struct mm_struct; #ifndef __ASSEMBLY__ +#define PFN_PTE_SHIFT PTE_RPN_SHIFT + void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte, unsigned int nr); #define set_ptes set_ptes